Seiko Cal. 6635 - 587

Released in 1992, the Cal. 6635 with design code 587 was part of Seiko's domestic market collection. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-860bdcb27ffe]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1992

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